A nut having one convex, spherical bearing surface and 6 flat sides. Items may have a removable collar. An integral feature is incorporated for locking on the threads of a mating member. See also nut (1), self-locking, cone seat, hexagon.
Classification: Nuts of iron or steel
NSN 6620-00-509-7935
NSN 5960-00-882-5542
NSN 5975-01-362-0425
NSN 6650-01-111-2036
NSN 5945-01-129-1197
NSN 5930-01-197-7972
NSN 6620-01-605-1465
NSN 5910-00-982-8390
NSN 6650-01-461-7226
NSN 6240-01-058-1777
NSN 6135-01-391-6515
NSN 5998-01-367-5530